Motion Control Engineering Nidec iControl, User Manual, Page: 252 / 453

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iControl Messages
iControl AC
6
Safety B UETS Level 2 Speed Fault, SPB UETS L2 SPD FLT
Description: The car contacted the Up Emergency Terminal Switch while traveling at over 95% of contract
speed. This fault may be bypassed on the Diagnostics > Fault Bypass tab.
Car Reaction: Emergency stop: Motor contactor and brake contactor immediately dropped.
Troubleshooting:
1. The fault will automatically clear 5 seconds after the car stops. The car is then allowed to run again.
2. Check for the proper positioning of the UETS switch in the hoistway.
Safety B Unintended Motion Fault, SPB UNTD MOTION FLT
Description: Safety processor B has detected that both hoistway doors and car gate doors were open as the
car moved away from the floor without a command from the iControl main processor (IMP board) to move.
Car Reaction: Emergency stop: Motor contactor and brake contactor immediately dropped. If applicable, the
rope brake drops.
Troubleshooting:
1. Check for proper door operation and control.
2. Close the hoistway doors and close the car gate.
3. Press the Fault Reset button. Test.
Safety Bypass Jumper On
Description: Indicates that the Safety Bypass Jumper is in place.
Safety Bypass Jumper Timed Out, SFTY BYP JMPR TMD OUT
Description: Safety Processor A has detected Safety Bypass Jumper has been on for more than 15 minutes.
Car Reaction: The car will not be allowed to restart after the end of the current run.
Troubleshooting:
1. Remove the iBox Safety Bypass Jumper.
2. If more Safety Bypass time needed, reinstall Safety Bypass Jumper and 15 minute timer will restart.
Safety C String Open, SAFETY C STRING OPEN
Description: The input has dropped.Input does not come on when bypassed, but the bypass will allow it to
run on Test and Machine Room Inspection.
Car Reaction: Emergency stop if running. The car is not allowed to run until the problem is corrected.
Troubleshooting:
1. Check the car safety string elements and finally the actual input to the iBox.
Safety C String Open Off (See: Safety C String Open)
Safety Configuration Checksum Fault, SFTY CONFIG CHKSM FLT
Description: Safety configuration parameters stored in nonvolatile memory are corrupt or missing.
Car Reaction: The car is not allowed to move.
Troubleshooting:
1. Learn the Safety Configuration.
Safety Configuration Learn Fault, SFTY CONFIG LEARN FLT
Description: Safety Processor A had a failure when storing configuration values to nonvolatile memory.
Car Reaction: Car will not run until fault is cleared.
Troubleshooting:
1. Make sure car is on Machine Room Inspection before learning safety configuration.
2. Check installed safety configuration matches selections on Safety Configuration screen and that no
bypasses are in place.
3. Repeat the learn process.
4. If unsuccessful, contact MCE Technical Support. (Possible iBox failure.)
Table 6.3 iControl Messages
iControl Messages